店內行竊|shoplift

shoplift 特指在商店裡偷竊商品的，如果被抓到了就是現行犯 red-handed，比如：
- The police caught him red-handed.
警察抓到現行犯。

例句：

• I shoplifted when I was in high school, so I got cautioned.
  我在高中時期曾偷竊，所以被警告了。